Differential pressure flow measurement orifice plate Rosemount™ 405

compact

The Rosemount 405 Compact Orifice Primary Element delivers accurate flow measurements. Built with either a compact orifice plate or a patented 4-hole conditioning plate, this flow meter provides measurements for closed loop control, general purpose monitoring and custody transfer applications. Available in line sizes up to 12 in. (300 mm), this primary element is designed for gas, liquid and steam service and operates well in harsh process conditions. Specifications Max. Operating Pressure ANSI B16.5 600#, DIN PN100 Process Temperature Range -315 to 850 °F (-193 to 454 °C) Fluid Type Liquid, gas, steam Process Wetted Material 316 SST Warranty Up to 5-year limited warranty Features Easy-to-install direct mount primary element assembly provides straightforward installation between flanges General purpose design delivers reliable and accurate flow measurement for gas, liquid and steam service Available in 0.5 - 12 in. (15 - 300 mm) line sizes for application flexibility Optional self-centering mechanism simplifies installation Based on a ASME/ISO corner tap design to meet industry standards Patented 4-hole design enables accurate flow measurement in disturbed flow profiles Innovative orifice plate requires only 2D upstream and 2D downstream to reduce pipe straight-run Does not require impulse lines, special flanges or piping modifications for cost-saving efficiency Offers direct-mount capability for ease of installation